Home / 27,042.38-40,562.86-12,240.51

Finding the Fourth Proportional to 27,042.38, 40,562.86 and 12,240.51

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Solution

The fourth proportional to 27,042.38, 40,562.86 and 12,240.51 is: 18,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,042.38 : 40,562.86 = 12,240.51 : x
  2. Step 2: Convert to fraction form
    27,042.38/40,562.86 = 12,240.51/x
  3. Step 3: Cross multiply
    27,042.38x = 40,562.86 × 12,240.51
  4. Step 4: Simplify right side
    27,042.38x = 496,510,093.46
  5. Step 5: Solve for x
    x = 496,510,093.46/27,042.38
  6. Step 6: Final answer
    x = 18,360.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.